Summary
Serine deficiency disorders are rare defects in the biosynthesis of the amino acid L-serine. At present two disorders have been reported: 3-phosphoglycerate dehydrogenase deficiency and 3-phosphoserine phosphatase deficiency. These enzyme defects lead to severe neurological symptoms such as congenital microcephaly and severe psychomotor retardation and in addition in patients with 3-phosphoglycerate dehydrogenase deficiency to intractable seizures. These symptoms respond to a variable degree to treatment with L-serine, sometimes combined with glycine. In this paper the current practice of amino acid treatment with L-serine and glycine in serine deficiency is reviewed.
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Abbreviations
- 5,10-MTHF:
-
5,10-methylenetetrahydrofolate
- 5-MTHF:
-
5-methyltetrahydrofolate
- NMDA:
-
N-methyl-d-aspartate
- 3-PGDH:
-
3-phosphoglycerate dehydrogenase
- 3-PSP:
-
3-phosphoserine phosphatase
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Communicating editor: Jean-Marie Saudubray
Competing interests: None declared
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de Koning, T.J. Treatment with amino acids in serine deficiency disorders. J Inherit Metab Dis 29, 347–351 (2006). https://doi.org/10.1007/s10545-006-0269-0
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DOI: https://doi.org/10.1007/s10545-006-0269-0